Inch Per Second (in/s, ips) is a unit in the category of Velocity. It is also known as inches per second, inch/second. This unit is commonly used in the UK, US unit systems. Inch Per Second (in/s, ips) has a dimension of LT-1 where L is length, and T is time. It can be converted to the corresponding standard SI unit m/s by multiplying its value by a factor of 0.0254.